DE59308997D1 - Process for recycling paint sludge - Google Patents

Process for recycling paint sludge

Info

Publication number
DE59308997D1
DE59308997D1 DE59308997T DE59308997T DE59308997D1 DE 59308997 D1 DE59308997 D1 DE 59308997D1 DE 59308997 T DE59308997 T DE 59308997T DE 59308997 T DE59308997 T DE 59308997T DE 59308997 D1 DE59308997 D1 DE 59308997D1
Authority
DE
Germany
Prior art keywords
paint sludge
overspray
recycling
solvent
aqueous phase
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59308997T
Other languages
German (de)
Inventor
Wieland Dr Hovestadt
Jochen Dr Brueck
Volker Dr Schneider
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of DE59308997D1 publication Critical patent/DE59308997D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/71—Paint detackifiers or coagulants, e.g. for the treatment of oversprays in paint spraying installations
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

A process for the recycling of the overspray formed in the spraying of solvent-containing polyurethane paints, by washing the overspray out of the air extracted from the coating plant by means of an aqueous phase containing dissolved or dispersed compounds which are highly reactive towards isocyanate groups, isolating the thus-modified overspray as a paint sludge using coagulants, mixing the paint sludge with solvent, freeing the resultant organic phase from any aqueous phase present and/or from any insoluble constituents present, and recycling the organic constituents dissolved in the organic phase.
DE59308997T 1992-05-06 1993-04-23 Process for recycling paint sludge Expired - Fee Related DE59308997D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4214943A DE4214943A1 (en) 1992-05-06 1992-05-06 Process for recycling paint sludge

Publications (1)

Publication Number Publication Date
DE59308997D1 true DE59308997D1 (en) 1998-10-29

Family

ID=6458284

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4214943A Withdrawn DE4214943A1 (en) 1992-05-06 1992-05-06 Process for recycling paint sludge
DE59308997T Expired - Fee Related DE59308997D1 (en) 1992-05-06 1993-04-23 Process for recycling paint sludge

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4214943A Withdrawn DE4214943A1 (en) 1992-05-06 1992-05-06 Process for recycling paint sludge

Country Status (8)

Country Link
US (1) US5344851A (en)
EP (1) EP0569756B1 (en)
JP (1) JPH0632937A (en)
KR (1) KR100244697B1 (en)
AT (1) ATE171464T1 (en)
CA (1) CA2095378A1 (en)
DE (2) DE4214943A1 (en)
ES (1) ES2123015T3 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4411753A1 (en) * 1994-04-06 1995-10-12 Bayer Ag Process for recycling paint sludge
US6100361A (en) * 1999-04-30 2000-08-08 Spalding Sports Worldwide, Inc. Golf ball top coating containing an aromatic/aliphatic polyisocyanate copolymer
US20050031873A1 (en) * 2003-08-04 2005-02-10 Guenter Berschel Method for multi-coat refinishing of substrates
US20070128374A1 (en) * 2003-11-13 2007-06-07 Rowen Mark A Paint product and method of manufacture
AU2004289703B2 (en) * 2003-11-13 2010-07-15 Mark Andrew Rowen A paint product and method of manufacture
DE102005025855A1 (en) * 2005-06-06 2006-12-14 Basf Ag Process for the preparation of powdered alkoxycarbonylaminotriazine
JP4720739B2 (en) * 2006-12-25 2011-07-13 パナソニック電工株式会社 Recovery and reuse of aluminum hydroxide from plastic
JP5223872B2 (en) * 2008-02-19 2013-06-26 コニカミノルタエムジー株式会社 Medical image management device
DE102009052655A1 (en) * 2009-11-11 2011-05-12 Dürr Systems GmbH Apparatus, system, component, method and composition for preventing deposits of a disposal agent in coating plants
JP7037952B2 (en) * 2018-02-08 2022-03-17 旭化成株式会社 Blocked isocyanate composition, aqueous dispersion, aqueous coating composition, coating substrate and aggregation method
CN108620413B (en) * 2018-04-24 2020-11-17 湖南路美工程材料有限公司 Recycling method and application of water-based asphalt paint slag
BR102019025255A2 (en) * 2019-11-29 2021-06-15 Geisi Dos Santos Luciano Me PROCESS FOR THE RECYCLING OF TAILING FROM THE TREATMENT STATIONS OF THE PIGMENT, COLORING, ANILINE AND COLOR PROMOTERS AND USE OF THE SLUDGE, SLUDGE OR TREATED PETRY SLUDGE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220456A (en) * 1979-06-21 1980-09-02 Fremont Industries, Inc. Paint removal composition spray method for paint booths
DE3412763A1 (en) * 1984-04-05 1985-10-17 Henkel Kgaa AGENTS FOR COAGULATING VARNISHES, WAXES AND COATING AGENTS
DE3421289C1 (en) * 1984-06-07 1985-09-26 Zeller + Gmelin GmbH & Co, 7332 Eislingen One-component formulation for the detackification and coagulation of synthetic resin paint components in wet separators of spray painting systems and their use
DE4204817A1 (en) * 1992-02-18 1993-08-19 Bayer Ag METHOD FOR RECYCLING SLUDGE

Also Published As

Publication number Publication date
ES2123015T3 (en) 1999-01-01
ATE171464T1 (en) 1998-10-15
EP0569756B1 (en) 1998-09-23
KR100244697B1 (en) 2000-03-02
EP0569756A1 (en) 1993-11-18
DE4214943A1 (en) 1993-11-11
KR930023419A (en) 1993-12-18
CA2095378A1 (en) 1993-11-07
JPH0632937A (en) 1994-02-08
US5344851A (en) 1994-09-06

Similar Documents

Publication Publication Date Title
DE59308997D1 (en) Process for recycling paint sludge
DE59102270D1 (en) METHOD FOR PAINTING VEHICLE BODIES AND AQUEOUS PAINT.
DE59305015D1 (en) Process for recovering the overspray of aqueous coating agents when spraying in spray booths
WO2004108246A3 (en) Compositions and method for paint overspray removal
JP3378596B2 (en) How to collect spray splashes from waterborne paints used in spray rooms
DE59510616D1 (en) WATER-THINNABLE STONE IMPACT LACQUER AND COMPENSATION LACQUER, THEIR USE AND METHOD FOR THE PRODUCTION THEREOF
ATE114327T1 (en) PROCESSES FOR PROCESSING PAINT SLUDGE.
DE59410333D1 (en) Process for the preparation of aqueous polymer dispersions which are suitable as binders for block-resistant, scratch-resistant and chemical-resistant coatings
ATE132884T1 (en) METHOD FOR RECYCLING WASTE PAINT
ATE154894T1 (en) TREATMENT AND RECOVERY OF OVERSPRAY OBTAINED WHEN SPRAYING WATER SOLUBLE COATINGS
GB2048288B (en) Process for using residual sludges from industrial painting with oven-curable paint in spray booths
ATE138291T1 (en) PAINT SEPARATION AND RECOVERY PROCESS FOR WATER-DILUNTABLE PAINTS IN SPRAY BOOTHS AND SYSTEM FOR IMPLEMENTING THE PROCESS
DE4421172C2 (en) Stone chip protection varnish containing overspray, process for its production and its use
DK0662993T3 (en) Process for preparing an automobile repair paint
DE59507358D1 (en) Process for recycling paint sludge
DE59400931D1 (en) Process for concentrating paint overspray
Murphy Organic Coatings, Processes and Equipment
Strauss Industrial Painting Technology. Re-Use and Reprocessing of Coating Media
Kent Future of pretreatment- back to basics

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee